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Old 12-28-2010, 01:24 PM   #1
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Where to drain condensation from Hi-Efficiency Furnace


Hello Guys and seasons greetings.

I have a question currently my Hi-Efficiency furnace condensation is pumped to the laundry room and drained into the floor drain. I am wondereing if that is correct, will there be any problems doing that.

I was thinking to relocate it to where my washer drains to, the washer is attached to a pee-trap which is attach to the septic pipes and then goes to city sewer.

Which method would be better (floor drain or septic pipes), hope I get all the terminologies correct, any feedback would be greatly appreciated.

Thanks,

Samantha

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Old 12-28-2010, 01:40 PM   #2
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Where to drain condensation from Hi-Efficiency Furnace


You know Max

Max/makes no difference.

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Old 12-28-2010, 01:47 PM   #3
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Where to drain condensation from Hi-Efficiency Furnace


I should mention that my house is 40 years old and the washer drain to the septic pipes (stack) which are made of cast iron, so I am wondering if it is safe to drain the furnace condensation there since it is slightly acidic. Or is it better to just drain into the floor drain??
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Old 12-28-2010, 02:14 PM   #4
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Where to drain condensation from Hi-Efficiency Furnace


We drain ours into the floor drain and plumbing stack only if we cannot get to the floor drain. Not acidic enough to cause a problem (acidic like orange juice). More work and hassle and expense to tap into the plumbing stack so I would leave it alone. Unless it is a trip hazard with the hose crossing the floor we use the floor drain.
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Old 12-28-2010, 02:23 PM   #5
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Where to drain condensation from Hi-Efficiency Furnace


thanks yuri for the reply. Right now I have it draining to the floor drain in the laundry room but it does cross the floor and some-one can trip over over it.

I was going to remove it and drain it to the plumbing stack via the washing machine hook-up pipe, the washing machine pipe is a black plastic pipe with a p-trap that is tapped into the cast iron plumbing stack.

Can I do this?

samantha
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Old 12-28-2010, 03:15 PM   #6
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Where to drain condensation from Hi-Efficiency Furnace


Post a pic of the washer drain hookup. There is a black ABS 1 1/4 or 1 1/2 tee "Y" which you may be able to get at HDepot and put a bushing in it and then the hose from the pump. I don't like jamming the pump hose in beside the washer drain hose as it can get pinched/kinked /soap scum on it etc and burn out the pump. My installers use the tee "Y" fitting but you may need to get a plumber involved.

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